Spotlight Article:

Editorial: The Rising Cost of Water

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July 01, 2009

Q . Is it feasible to retrofit cast-iron single-pipe steam radiators to work on hot water from a new combined heating/domestic hot water (DHW) system? And if so, would it ever make sense ... [continue reading]

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May 06, 2009

Q. John Koeller notes how the plumbing industry has taken advantage of the lack of any prohibition against multiple head and body spray luxury shower installations resulting in many very high flow installations (“... [continue reading]

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January 02, 2009

On average, water heating accounts for 15% of residential energy consumption. In the past few years, there has been an explosion of interest in meeting domestic hot water needs more efficiently. New hot-water-generating technologies, structured plumbing ... [continue reading]

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November 06, 2008

Yes, there are cute water heaters. ECO-CUTE is a Japanese trademark and nickname for heat pump water heaters that use CO2 as a refrigerant. (Cute is the pronunciation of “hot water supply” in ... [continue reading]

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September 07, 2008

Platinum certification is the highest green-rating achievable in the LEED for Homes program. This means a net zero energy, net zero carbon and net zero water home that is comfortable, healthy, beautiful, and sustainable. [continue reading]

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September 07, 2008

Steve Greenberg is a facilities energy management engineer at Lawrence Berkeley National Laboratory and a technical editor at Home Energy.
Q: I have been having a discussion with a fellow worker concerning our house heating ... [continue reading]